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Investigating the effectiveness of an efficient label placement method using eye movement data

Kristien Ooms (UGent) , Philippe De Maeyer (UGent) , Veerle Fack (UGent) , Eva Van Assche (UGent) and Frank Witlox (UGent)
(2012) CARTOGRAPHIC JOURNAL. 49(3). p.234-246
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Abstract
This paper focuses on improving the efficiency and effectiveness of dynamic and interactive maps in relation to the user. A label placement method with an improved algorithmic efficiency is presented. Since this algorithm has an influence on the actual placement of the name labels on the map, it is tested if this efficient algorithms also creates more effective maps: how well is the information processed by the user. We tested 30 participants while they were working on a dynamic and interactive map display. Their task was to locate geographical names on each of the presented maps. Their eye movements were registered together with the time at which a given label was found. The gathered data reveal no difference in the user's response times, neither in the number and the duration of the fixations between both map designs. The results of this study show that the efficiency of label placement algorithms can be improved without disturbing the user's cognitive map. Consequently, we created a more efficient map without affecting its effectiveness towards the user.
Keywords
QUALITY, MODEL, DISPLAYS, SEARCH, user study, eye tracking, interactive maps, llabel placement

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Chicago
Ooms, Kristien, Philippe De Maeyer, Veerle Fack, Eva Van Assche, and Frank Witlox. 2012. “Investigating the Effectiveness of an Efficient Label Placement Method Using Eye Movement Data.” Cartographic Journal 49 (3): 234–246.
APA
Ooms, Kristien, De Maeyer, P., Fack, V., Van Assche, E., & Witlox, F. (2012). Investigating the effectiveness of an efficient label placement method using eye movement data. CARTOGRAPHIC JOURNAL, 49(3), 234–246.
Vancouver
1.
Ooms K, De Maeyer P, Fack V, Van Assche E, Witlox F. Investigating the effectiveness of an efficient label placement method using eye movement data. CARTOGRAPHIC JOURNAL. 2012;49(3):234–46.
MLA
Ooms, Kristien, Philippe De Maeyer, Veerle Fack, et al. “Investigating the Effectiveness of an Efficient Label Placement Method Using Eye Movement Data.” CARTOGRAPHIC JOURNAL 49.3 (2012): 234–246. Print.
@article{3068436,
  abstract     = {This paper focuses on improving the efficiency and effectiveness of dynamic and interactive maps in relation to the user. A label placement method with an improved algorithmic efficiency is presented. Since this algorithm has an influence on the actual placement of the name labels on the map, it is tested if this efficient algorithms also creates more effective maps: how well is the information processed by the user. We tested 30 participants while they were working on a dynamic and interactive map display. Their task was to locate geographical names on each of the presented maps. Their eye movements were registered together with the time at which a given label was found. The gathered data reveal no difference in the user's response times, neither in the number and the duration of the fixations between both map designs. The results of this study show that the efficiency of label placement algorithms can be improved without disturbing the user's cognitive map. Consequently, we created a more efficient map without affecting its effectiveness towards the user.},
  author       = {Ooms, Kristien and De Maeyer, Philippe and Fack, Veerle and Van Assche, Eva and Witlox, Frank},
  issn         = {0008-7041},
  journal      = {CARTOGRAPHIC JOURNAL},
  keyword      = {QUALITY,MODEL,DISPLAYS,SEARCH,user study,eye tracking,interactive maps,llabel placement},
  language     = {eng},
  number       = {3},
  pages        = {234--246},
  title        = {Investigating the effectiveness of an efficient label placement method using eye movement data},
  url          = {http://dx.doi.org/10.1179/1743277412Y.0000000010},
  volume       = {49},
  year         = {2012},
}

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